Radiology Exam 2

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Across
  1. 3. Provides source of electrons
  2. 4. Device used to monitor occupational radiation exposure
  3. 7. Alkaline solution used to convert exposed silver halide crystals from film emulsion to black metallic silver
  4. 9. Occurs when the anode edge restricts the number of x-rays exiting the tube (two words)
  5. 13. Computed radiography units have this substance applied to detector screen (two words)
  6. 18. Measures the amount of radiation absorbed per unit mass of matter
  7. 19. Item that shows the amount of time that should pass between exposures to prevent overheating damage to an anode (three words)
  8. 20. Composed of alternating linear strips that is placed between the patient and image receptor to prevent scatter radiation from striking image receptor
  9. 21. Distance between two crests or between two troughs
  10. 22. Refers to the contrast range of densities in digital radiography
Down
  1. 1. Target in tube head for electrons to hit
  2. 2. (N-18) X 5 Rems (three words)
  3. 4. Degree of blackness on an image detector
  4. 5. X-rays are a type of (two words)
  5. 6. Visible difference between two adjacent tissues on an image detector
  6. 8. Also known as Braking radiation (two words)
  7. 10. Beam-restricting device that limits the primary x-ray beam
  8. 11. Changes incoming electricity line from ac to dc (two words)
  9. 12. Trimester in which the human fetus is most sensitive to radiation
  10. 14. Partially shaded outer region of a shadow cast by an opaque object
  11. 15. Digital radiography artifact the appears as a lucent halo around metal implants
  12. 16. Device that shoves electrons into a tight beam (two words)
  13. 17. Curve that maps pixel values to monitor brightness (three words)